Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/local_discovery/privet_url_fetcher_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/local_discovery/privet_url_fetcher.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 28 matching lines @@
     OnParsedJsonInternal(has_error);
   }
 
   MOCK_METHOD1(OnParsedJsonInternal, void(bool has_error));
 
   virtual void OnNeedPrivetToken(
       PrivetURLFetcher* fetcher,
       const PrivetURLFetcher::TokenCallback& callback) {
   }
 
-  const DictionaryValue* saved_value() { return saved_value_.get(); }
+  const base::DictionaryValue* saved_value() { return saved_value_.get(); }
 
  private:
-  scoped_ptr<DictionaryValue> saved_value_;
+  scoped_ptr<base::DictionaryValue> saved_value_;
 };
 
 class PrivetURLFetcherTest : public ::testing::Test {
  public:
   PrivetURLFetcherTest() {
     request_context_= new net::TestURLRequestContextGetter(
         base::MessageLoopProxy::current());
     privet_urlfetcher_.reset(new PrivetURLFetcher(
         kSamplePrivetToken,
         GURL(kSamplePrivetURL),
@@ skipping 163 matching lines @@
                                             net::OK));
   fetcher->set_response_code(200);
 
   EXPECT_CALL(delegate_, OnParsedJsonInternal(true));
   fetcher->delegate()->OnURLFetchComplete(fetcher);
 }
 
 }  // namespace
 
 }  // namespace local_discovery